744420344 has 16 divisors (see below), whose sum is σ = 1477893600. Its totient is φ = 350315392.

The previous prime is 744420311. The next prime is 744420349. The reversal of 744420344 is 443024447.

It is a super-2 number, since 2×744420344² = 1108323297122156672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 744420344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736704 + ... + 2736975.

It is an arithmetic number, because the mean of its divisors is an integer number (92368350).

Almost surely, 2^744420344 is an apocalyptic number.

It is an amenable number.

744420344 is a deficient number, since it is larger than the sum of its proper divisors (733473256).

744420344 is a wasteful number, since it uses less digits than its factorization.

744420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473702 (or 5473698 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 744420344 is about 27284.0675853143. The cubic root of 744420344 is about 906.3015952615.

The spelling of 744420344 in words is "seven hundred forty-four million, four hundred twenty thousand, three hundred forty-four".